# Warranty extension EW\- Fuel Tank Ventilation

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Warranty extension
- NHTSA id: 11031612
- Published by NHTSA: 2026\-04\-28
- Manufacturer's number: EW\- Fuel Tank Ventilation
- Manufacturer's date: 2021\-06\-18
- NHTSA component: FUEL/PROPULSION SYSTEM

## NHTSA's summary

Mercedes\-Benz AG \(“MBAG”\), the manufacturer of Mercedes\-Benz vehicles, has determined that on certain Model Year \(“MY”\) vehicles listed below, an activation of the Malfunction Indicator Lamp \(“MIL”\) may occur due to sporadic jamming of the fuel tank ventilation valve. As a result, we have decided to extend the warranty on the fuel tank ventilation valve from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 10 years/120,000 miles. This extended warranty applies to the aforementioned condition that necessitates the servicing and/or replacement of the fuel tank ventilation valve under the standard warranty terms and conditions. The extended warranty is applicable to the following vehicles:

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-11031612-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-11031612-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Fuel system

## Vehicles listed

- 2017 SMART FORTWO
- 2017 SMART FORTWO CABRIOLET

## Other bulletins for the same vehicles and component

- [CL\- Fuel Tank Vent Valve](/bulletins/11031818.md), 2026-05-01, Other: FUEL/PROPULSION SYSTEM. Mercedes\-Benz AG \(“MBAG”\), the manufacturer of Mercedes\-Benz vehicles, has determined that on certain Model Year \(“MY”\) vehicles listed below, an activation of the Malfunction Indicator Lamp \(“MIL”\) may occur due to sporadic jamming of the fuel tank ventilation valve. As a result, we have decided to extend the warranty on the fuel tank ventilation valve from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 10 years/120,000 miles. This extended warranty applies to the aforementioned condition that necessitates the servicing and/or replacement of the fuel tank ventilation valve under the standard warranty terms and conditions. The extended warranty is applicable to the following vehicles:
- [LI07.61\-P\-063263](/bulletins/10135709.md), 2018-05-07, Service bulletin: ENGINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. Smart 453 Engine diagnosis warning lamp activated \- Fault code P261000
- [LI54.30\-P\-061127](/bulletins/10135666.md), 2018-05-07, Service bulletin: FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. Instrument cluster \- Fuel gauge does not indicate "Full"
- [LI54.30\-P\-061127](/bulletins/10135595.md), 2018-05-07, Service bulletin: FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. Instrument cluster \- Fuel gauge does not indicate "Full"

JSON: [/v1/bulletins/11031612](/v1/bulletins/11031612)

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